Life The shark investors of ‘Shark Tank’ reflect on change over 10 seasons of product pitches September 27, 2019Harrison Hill, USA TODAYComments Off on The shark investors of ‘Shark Tank’ reflect on change over 10 seasons of product pitches 'Shark Tank' sharks Mark Cuban, Daymond John, Barbara Corcoran, Kevin O' Leary, and Lori Greiner reflect on the show's growth since its 2009 premiere.